[jboss-jira] [JBoss JIRA] (WFLY-6663) NPE o.j.a.ejb3.component.stateful.StatefulSessionComponent.createSession(StatefulSessionComponent.java:238)

Darryl Miles (JIRA) issues at jboss.org
Sat Sep 3 21:49:00 EDT 2016 

    [ https://issues.jboss.org/browse/WFLY-6663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13288401#comment-13288401 ] 

Darryl Miles edited comment on WFLY-6663 at 9/3/16 9:48 PM:
------------------------------------------------------------

https://github.com/wildfly/wildfly/blob/master/ejb3/src/main/java/org/jboss/as/ejb3/component/stateful/StatefulSessionComponent.java#L242

The line I presume with the NPE.

Was method StatefulSessionComponent#start() called, is the NPE from this.cache==null ?

It is the @EJB injection of the @Stateful MainEjb that is causing the error.  The MainEjb EJB implementation is really simple and has no injections of its own.  Just simple private fields holding only primitive types (it is a statistics collector).



was (Author: dlmiles):
https://github.com/wildfly/wildfly/blob/master/ejb3/src/main/java/org/jboss/as/ejb3/component/stateful/StatefulSessionComponent.java#L242

The line I presume with the NPE.  Was #start() called, is the NPE from this.cache==null ?


> NPE o.j.a.ejb3.component.stateful.StatefulSessionComponent.createSession(StatefulSessionComponent.java:238)
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: WFLY-6663
>                 URL: https://issues.jboss.org/browse/WFLY-6663
>             Project: WildFly
>          Issue Type: Bug
>          Components: EJB
>    Affects Versions: 10.0.0.Final
>         Environment: Win7 64bit + JDK8 64bit
>            Reporter: Darryl Miles
>
> 1 in 8 deployments fail to deploy, usually a redeploy fixes it.
> If there is anyway to get a module state logging out of it, I can send over two logs to compare, one that deploy ok and one that fails.  I guess there is a race bug there somewhere.
> 09:42:01,687 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 529) MSC000001: Failed to start service jboss.deployment.subunit."com.domain.ear-0.0.1-SNAPSHOT.ear"."com-domain-ejb.main-0.0.1-SNAPSHOT.jar".component.MainStartupEjbImpl.START: org.jboss.msc.service.StartException in service jboss.deployment.subunit."com.domain.ear-0.0.1-SNAPSHOT.ear"."com-domain-ejb.main-0.0.1-SNAPSHOT.jar".component.MainStartupEjbImpl.START: java.lang.IllegalStateException: WFLYEE0042: Failed to construct component instance
> 	at org.jboss.as.ee.component.ComponentStartService$1.run(ComponentStartService.java:57)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> 	at org.jboss.threads.JBossThread.run(JBossThread.java:320)
> Caused by: java.lang.IllegalStateException: WFLYEE0042: Failed to construct component instance
> 	at org.jboss.as.ee.component.BasicComponent.constructComponentInstance(BasicComponent.java:163)
> 	at org.jboss.as.ee.component.BasicComponent.constructComponentInstance(BasicComponent.java:134)
> 	at org.jboss.as.ee.component.BasicComponent.createInstance(BasicComponent.java:88)
> 	at org.jboss.as.ejb3.component.singleton.SingletonComponent.getComponentInstance(SingletonComponent.java:124)
> 	at org.jboss.as.ejb3.component.singleton.SingletonComponent.start(SingletonComponent.java:138)
> 	at org.jboss.as.ee.component.ComponentStartService$1.run(ComponentStartService.java:54)
> 	... 6 more
> Caused by: javax.ejb.EJBException: java.lang.RuntimeException: WFLYNAM0059: Resource lookup for injection failed: env/com.domain.ejb.main.impl.MainStartupEjbImpl/mainEjb
> 	at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83)
> 	at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91)
> 	at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106)
> 	at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58)
> 	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
> 	at org.jboss.as.weld.injection.WeldInjectionContextInterceptor.processInvocation(WeldInjectionContextInterceptor.java:43)
> 	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
> 	at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41)
> 	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
> 	at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45)
> 	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
> 	at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64)
> 	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
> 	at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356)
> 	at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80)
> 	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
> 	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
> 	at org.jboss.as.ee.component.BasicComponent.constructComponentInstance(BasicComponent.java:161)
> 	... 11 more
> Caused by: java.lang.RuntimeException: WFLYNAM0059: Resource lookup for injection failed: env/com.domain.ejb.main.impl.MainStartupEjbImpl/mainEjb
> 	at org.jboss.as.naming.deployment.ContextNames$BindInfo$1$1.getReference(ContextNames.java:319)
> 	at org.jboss.as.ee.component.ManagedReferenceFieldInjectionInterceptorFactory$ManagedReferenceFieldInjectionInterceptor.processInvocation(ManagedReferenceFieldInjectionInterceptorFactory.java:97)
> 	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
> 	at org.jboss.as.ee.component.ManagedReferenceFieldInjectionInterceptorFactory$ManagedReferenceFieldInjectionInterceptor.processInvocation(ManagedReferenceFieldInjectionInterceptorFactory.java:107)
> 	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
> 	at org.jboss.as.ee.component.ManagedReferenceFieldInjectionInterceptorFactory$ManagedReferenceFieldInjectionInterceptor.processInvocation(ManagedReferenceFieldInjectionInterceptorFactory.java:107)
> 	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
> 	at org.jboss.as.ee.component.ManagedReferenceFieldInjectionInterceptorFactory$ManagedReferenceFieldInjectionInterceptor.processInvocation(ManagedReferenceFieldInjectionInterceptorFactory.java:107)
> 	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
> 	at org.jboss.as.ee.component.AroundConstructInterceptorFactory$1.processInvocation(AroundConstructInterceptorFactory.java:28)
> 	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
> 	at org.jboss.as.weld.injection.WeldInterceptorInjectionInterceptor.processInvocation(WeldInterceptorInjectionInterceptor.java:56)
> 	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
> 	at org.jboss.as.weld.ejb.Jsr299BindingsCreateInterceptor.processInvocation(Jsr299BindingsCreateInterceptor.java:100)
> 	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
> 	at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50)
> 	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
> 	at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103)
> 	... 26 more
> Caused by: javax.naming.NamingException: WFLYNAM0062: Failed to lookup env/com.domain.ejb.main.impl.MainStartupEjbImpl/mainEjb [Root exception is java.lang.RuntimeException: WFLYEJB0423: Could not create session for stateful bean MainEjbImpl]
> 	at org.jboss.as.naming.ServiceBasedNamingStore.lookup(ServiceBasedNamingStore.java:157)
> 	at org.jboss.as.naming.ServiceBasedNamingStore.lookup(ServiceBasedNamingStore.java:83)
> 	at org.jboss.as.naming.NamingContext.lookup(NamingContext.java:207)
> 	at org.jboss.as.naming.NamingContext.lookup(NamingContext.java:193)
> 	at org.jboss.as.naming.NamingContext.lookup(NamingContext.java:189)
> 	at org.jboss.as.naming.deployment.ContextNames$BindInfo$1$1.getReference(ContextNames.java:316)
> 	... 43 more
> Caused by: java.lang.RuntimeException: WFLYEJB0423: Could not create session for stateful bean MainEjbImpl
> 	at org.jboss.as.ejb3.remote.RemoteViewManagedReferenceFactory.getReference(RemoteViewManagedReferenceFactory.java:99)
> 	at org.jboss.as.naming.ServiceBasedNamingStore.lookup(ServiceBasedNamingStore.java:143)
> 	... 48 more
> Caused by: java.lang.NullPointerException
> 	at org.jboss.as.ejb3.component.stateful.StatefulSessionComponent.createSession(StatefulSessionComponent.java:238)
> 	at org.jboss.as.ejb3.remote.LocalEjbReceiver.openSession(LocalEjbReceiver.java:296)
> 	at org.jboss.ejb.client.EJBClient.createSessionWithPossibleRetries(EJBClient.java:225)
> 	at org.jboss.ejb.client.EJBClient.createSession(EJBClient.java:202)
> 	at org.jboss.ejb.client.EJBClient.createSession(EJBClient.java:176)
> 	at org.jboss.as.ejb3.remote.RemoteViewManagedReferenceFactory.getReference(RemoteViewManagedReferenceFactory.java:97)
> 	... 49 more



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